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Verify the data type in a file with UNIX function


 
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# 1  
Old 08-03-2009
Verify the data type in a file with UNIX function

I am seeking help on this UNIX function, please help. Thanks in advance.

I have a large file, named as 'MyFile'. It was tab-delmited, I am told that each record in column 1 is unique. How would I verify this with UNIX function or command?
# 2  
Old 08-03-2009
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